91386620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1297}}^1$

素因数の和:1590

約数の個数: 48

約数和(自身を含む): 207596928

約数和(自身を除く): 116210308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1084, 1297, 1355, 2594, 2710, 3523, 5188, 5420, 6485, 7046, 12970, 14092, 16861, 17615, 25940, 33722, 35230, 67444, 70460, 84305, 168610, 337220, 351487, 702974, 1405948, 1757435, 3514870, 4569331, 7029740, 9138662, 18277324, 22846655, 45693310, 91386620]

約数ペア:

[(1, 91386620), (2, 45693310), (4, 22846655), (5, 18277324), (10, 9138662), (13, 7029740), (20, 4569331), (26, 3514870), (52, 1757435), (65, 1405948), (130, 702974), (260, 351487), (271, 337220), (542, 168610), (1084, 84305), (1297, 70460), (1355, 67444), (2594, 35230), (2710, 33722), (3523, 25940), (5188, 17615), (5420, 16861), (6485, 14092), (7046, 12970)]